4 Darksteel Citadel
4 Terrarion
3 Buried Ruin
4 Grove of the Burnwillows
2 Aether Hub
2 Forest
4 Scrap Trawler
2 Myr Retriever
4 Krark-Clan Ironworks
4 Ichor Wellspring
4 Mox Opal
4 Mind Stone
4 Chromatic Star
3 Chromatic Sphere
2 Pyrite Spellbomb
3 Engineered Explosives
4 Ancient Stirrings
3 Inventors' Fair
Sideboard
2 Guttural Response
1 Defense Grid
1 Wurmcoil Engine
4 Nature's Claim
4 Lightning Bolt
2 Ghirapur Aether Grid
1 Surgical Extraction